Bill Ackman is an American billionaire hedge fund manager, who has amassed a net worth of $9.2 billion. The Harvard Business School graduate is the founder and CEO of Pershing Square Capital Management,

UnitedHealth Group said on Wednesday a mistake at the hospital was behind the phone call that led to a surgeon being pulled from the operating room to defend a patient's inpatient stay, a move that was eventually criticized by billionaire Bill Ackman.

Ackman made a bid to take Howard Hughes Holdings private, with the goal of turning the real estate firm into a holding company.

Billionaire investor Bill Ackman’s Pershing Square Capital Management increased its stake in Nike (NKE) stock by 15% during the fourth quarter.

Big names like Tesla and Dropbox have already left, and Meta is looking to do the same.

Uber is an attractive growth investment opportunity in the vehicles and parts sector and recently received backing by Bill Ackman.

Bill Ackman's Pershing Square proposed to acquire 10 million newly issued Howard Hughes shares at $90 per share — up from $85 per share earlier.

Billionaire investor William Ackman increased his stake in sportswear company Nike by 15% and cut his investment in fast-casual food chain Chipotle Mexican Grill by 14%, during the fourth quarter, according to a regulatory filing made on Friday.

Bill Ackman is the founder and CEO of Pershing Square, a hedge fund with around $12.9 billion in assets under management. That includes billions of dollars invested in popular sto

Uber stock presents a strong buy opportunity with bullish technicals, solid fundamentals, and Bill Ackman's confidence. Read more on UBER stock here.

The hedge fund manager is waging his own money this time in a bid to build another financial behemoth that can rival the life's work of Warren Buffett.

Billionaire investor William Ackman increased his Nike (NYSE:NKE) holdings by 15% and reduced his Chipotle Mexican Grill (NYSE:CMG) shares by 14% in Q4, according to a 13F regulatory filing. Pershing Square